hydrogen; palladium dihydroxide in methanol 2 h; Yield given;

<b>Multi-step reaction with 2 steps<br /> </b>1: N,N'-dicyclohexylcarbodiimide, 4-(dimethylamino)pyridine / tetrahydrofuran / 2 h / Ambient temperature<br />2: NaIO₄ / dioxane; H₂O / 16 h / Ambient temperature<br /> <br /> &nbsp;